import java.util.Scanner;

public class Main{




    public static void main(String[] args) {
        Scanner scanner=new Scanner(System.in);
        while (scanner.hasNext()){
            double n=scanner.nextDouble();
            double r=scanner.nextDouble();
            if(n<2*3.14*r){
                System.out.println("Yes");
            }else{
                System.out.println("No");
            }
        }
    }









    public int jumpFloorII(int target) {
        if(target==1){
            return 1;
        }else if(target==2){
            return 2;
        }
        return jumpFloorII(target-1)+jumpFloorII(target-2);
    }
}
